Construction complete · Mar 2026✅Inspection Complete🏗️ New Construction💵 This project involves public funds, public land, or is a Federally funded roadway project.

IH 35

SH 80 to RM 12, San Marcos, TX 78666, San Marcos, TX, 78666

IH 35 is a new construction project at SH 80 to RM 12, San Marcos, in Hays County, TX, tracked from its Texas Department of Licensing and Regulation (TDLR) registration. Construction complete (TDLR inspection passed Mar 2026). The project has an estimated value of $89.0M across about 141,600 sq ft.

Final Inspection85%

📊Project Metrics

TDLR #TABS2021011239

$89.0M

Project Value

141,600

Square Feet

$629/sqft

Cost/SqFt

3y 7mo

Duration

Registered:Mar 15, 2021

Start:Sep 7, 2021

Target:Mar 25, 2025

✅

Inspection Complete

Final inspection completed, awaiting project closure

IH 35 is a New Construction project located at SH 80 to RM 12, San Marcos, TX 78666 in San Marcos, Texas. The project has an estimated value of $89.0M covering 141,600 sq ft. TxDOT District: Austin is the property owner and Volkert is the design firm of record. The project was registered with TDLR on March 15, 2021.

❓Frequently Asked Questions

What is IH 35?

IH 35 is a new construction project at SH 80 to RM 12 in San Marcos, Texas, registered with the Texas Department of Licensing and Regulation (TDLR). Scope of work: Reconstruction of the main lanes and frontage roads, addition of auxiliary lanes, ramp reversal and modification, bridge replacement, intersection improvements, and bicycle and pedestrian accommodations.

Is IH 35 open in San Marcos?

Construction on IH 35 is complete — TDLR records show the project passed its required accessibility inspection in Mar 2026. The building is finished and very likely open.

Where is IH 35 located?

IH 35 is located at SH 80 to RM 12, San Marcos, TX, 78666, in Hays County.

Who is the owner or developer of IH 35?

TxDOT District: Austin is the property owner/developer of record for IH 35, per its TDLR project registration.

Who is the architect or design firm for IH 35?

Volkert is the design firm of record for IH 35, according to its TDLR filing.

How much does IH 35 cost and how big is it?

IH 35 has an estimated construction value of $89.0M and approximately 141,600 square feet (about $629/sqft), based on its TDLR filing.

📋Scope of Work

Reconstruction of the main lanes and frontage roads, addition of auxiliary lanes, ramp reversal and modification, bridge replacement, intersection improvements, and bicycle and pedestrian accommodations.

Note: This project is registered under the Texas Accessibility Standards (TAS) program. TDLR registration is required for commercial and public facility construction to ensure compliance with accessibility requirements under Texas Government Code Chapter 469.